PLANET EARTH - பூமி கிரகத்தை பற்றிய டெக்னிக்கல் தகவல்கள் !

1. Diameter: Approximately 12,742 km (7,918 miles)

2. Mass: About 5.97 × 10^24 kg

3. Surface Gravity: 9.807 m/s²

4. Orbital Period: 365.25 days (1 Earth year)

5. Rotational Period: 24 hours (1 Earth day)

6. Atmosphere: Composed primarily of nitrogen (78%), oxygen (21%), and trace amounts of other gases (1%)

7. Average Surface Temperature: 15 degrees Celsius (59 degrees Fahrenheit)

8. Surface Pressure: 101.3 kPa (14.7 psi)

9. Moons: One (the Moon)

10. Tilt of Axis: 23.5 degrees (causing seasonal changes)

11. Orbital Speed: 29.78 km/s (107,000 km/h or 66,600 mph)

12. Surface Features: Varied landscapes including mountains, valleys, plains, deserts, forests, and oceans

13. Magnetic Field: Strong magnetic field generated by the movement of molten iron in the outer core

14. Solar Day: 24 hours (mean solar day)

15. Atmospheric Density: Dense atmosphere supporting life

16. Surface Composition: 71% water (oceans, seas, lakes, and rivers), 29% land (continents and islands)

17. Geological Activity: Active tectonic plates causing earthquakes, volcanic eruptions, and mountain building

18. Water Presence: Abundant water in liquid, solid, and vapor forms

19. Exploration: Extensive exploration through human activity, satellites, and space missions

20. Distance from Sun: Average of about 149.6 million km (93 million miles)

21. Albedo (Reflectivity): Average albedo of 0.3

22. Escape Velocity: 11.186 km/s (25,020 mph)

23. Weather: Diverse climates and weather patterns, influenced by ocean currents, atmospheric circulation, and Earth's tilt

24. Biosphere: Supports a wide range of life forms including plants, animals, and microorganisms